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3M™ Littmann® Electronic Stethoscope
Model 3200
With Ambient Noise Reduction
Introduction
Congratulations and thank you for choosing the 3M™ Littmann® Electronic Stethoscope Model 3200.
The Model 3200 brings you the very latest in advanced auscultation and wireless electronics technology in a highly
ergonometric and easy-to-use format.
The Model 3200’s combination of Ambient Noise Reduction technology, frictional noise dampening materials, electronic
amplifi cation (conventional bell / diaphragm modes plus an extended range mode), Bluetooth
® data transfer, and an all-new
user interface takes you to the next level of performance and ease of use.
Whether you are auscultating infant, pediatric or adult patients, in quiet or noisy environments, or picking up diffi cult-to-hear
heart and body sounds, you’ll appreciate the technology that’s been built into this latest electronic stethoscope bearing the
Littmann® brand.
Don’t miss the sounds you need to hear!
SAFETY INFORMATION
Please read, understand, and follow all safety information contained in these instructions prior to using this electronic
stethoscope. Retain these instructions for future reference.
U.S.A. ONLY
Caution: Federal law restricts this device to sale by or on the order of a physician.
Explanation of Safety Related Labels and Symbols
Indicates Type B Equipment: The equipment provides protection against electrical shock and electrical
current leakage. Applied parts are considered to be the complete chestpiece with diaphragm and binaural.
Consult instructions for use.
IPX4
Protected against splashing liquid (chestpiece only).
This product contains electrical and electronic components and must not be disposed of using standard
refuse collection. Please consult local directives for disposal of electrical and electronic equipment.
This product and packaging does not contain natural rubber latex.
Indicates Category AP Equipment. Tested for use with fl ammable anesthetic mixture with air.
AP
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EMC Compliance
FCC Intentional Radiator Certifi cation
3M Littmann Electronic Stethoscope Model 3200
FCC ID: DGFIPD3200
This equipment contains an intentional radiator approved by the FCC under the FCC ID numbers shown above. This device
complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesirable operation.
NO MODIFICATION: Modifi cations to this device shall not be made without the written consent of the 3M Company.
Unauthorized modifi cations may void the authority granted under Federal Communications Commission rules permitting the
operation of this device.
Industry Canada radio frequency rules and regulations
IC: 458A-IPD3200
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
EMC compliance Europe
This equipment complies with the EMC requirements of the IEC 60601-1-2.
Intended Use
The 3M™ Littmann® Electronic Stethoscope Model 3200 is intended for medical diagnostic purposes only. It may be used
for the detection and amplifi cation of sounds from the heart, lungs, arteries, veins, and other internal organs with the use of
selective frequency ranges. It can be used on any person undergoing a physical assessment.
Operator Profi le
The 3M™ Littmann® Electronic Stethoscope Model 3200 is designed to be used by anyone who wishes to listen to sounds
as described in the Intended Use section above. This manual provides complete information on how to operate the Model
3200 so that no additional operating training is required.
Functional Description
The 3M™ Littmann® Electronic Stethoscope Model 3200 picks up sounds, such as heart and lung sounds, from a patient’s
body. After amplifi cation and fi ltering, the sounds are sent to the user through a binaural headset. The stethoscope chestpiece
is designed for use with adult, pediatric, and infant patients.
The user interface for the stethoscope includes a 5-button keypad and an LCD display. Sound processing is carried out
with the aid of a digital signal processor. Stethoscope power is provided by a single AA battery in the chestpiece. A power
management system is included to prolong battery life. Using its Bluetooth wireless link, the stethoscope can exchange audio
data with an external device such as a personal computer (PC).
Explanation of Signal Word Consequences
CAUTION: Indicates a hazardous situation, which, if not avoided, could result in minor injury and/or property
damage.
NOTICE: Indicates a hazardous situation, which, if not avoided, may result in property damage.
CAUTION
• To reduce the risks associated with infection follow all cleaning and disinfecting instructions included in this
manual. Establish and follow a cleaning and disinfecting schedule.
• To reduce the risks associated with very strong electromagnetic fi elds avoid using the stethoscope near
strong radio frequency signals or portable and/or mobile RF devices. If you hear sudden or unexpected sounds,
move away from any radio transmitting antennas.
• To reduce the risks associated with sharp edges make sure that the soft sealing eartips are snapped fi rmly
into position as shown in this manual. Use only Littmann replaceable eartips.
• To reduce the risks associated with an incorrect result store and operate this stethoscope only as instructed
in this manual. As there is no acoustic (non-amplifi ed) mode available with this stethoscope, replace the battery
within two hours of the battery life icon beginning to fl ash in the LCD display. Replace battery with only type AA.
Also, do not immerse the stethoscope in a liquid or subject it to any sterilization processes.
• To reduce the risk associated with an electrical shock do not use the stethoscope on patients without the
stethoscope’s diaphragm cover in place.
• The Model E3200 Electronic Stethoscope contains a Bluetooth Class 2 wireless data link. This radio
frequency data link operates at a frequency of 2.4 GHz using GFSK modulation and with a maximum transmit
power of 2.5 mW (0.00250 watts). The maximum radio frequency fi eld strength generated by the stethoscope
is below three volts per meter, a level that is considered safe to use with other medical devices. However, if
electromagnetic interference is encountered due to the Bluetooth wireless data link, immediately move the
stethoscope away from that device and/or turn the Bluetooth feature OFF.
NOTICE
• To reduce the risks associated with environmental contamination follow applicable regulations when
disposing of this stethoscope. Properly dispose of, or recycle, spent batteries.
• No modifi cation of this equipment is allowed. Use only authorized 3M service personnel to repair this
stethoscope. Read, understand, and follow all the safety information on the battery package.
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EMC Compliance
FCC Intentional Radiator Certifi cation
3M Littmann Electronic Stethoscope Model 3200
FCC ID: DGFIPD3200
This equipment contains an intentional radiator approved by the FCC under the FCC ID numbers shown above. This device
complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesirable operation.
NO MODIFICATION: Modifi cations to this device shall not be made without the written consent of the 3M Company.
Unauthorized modifi cations may void the authority granted under Federal Communications Commission rules permitting the
operation of this device.
Industry Canada radio frequency rules and regulations
IC: 458A-IPD3200
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
EMC compliance Europe
This equipment complies with the EMC requirements of the IEC 60601-1-2.
Intended Use
The 3M™ Littmann® Electronic Stethoscope Model 3200 is intended for medical diagnostic purposes only. It may be used
for the detection and amplifi cation of sounds from the heart, lungs, arteries, veins, and other internal organs with the use of
selective frequency ranges. It can be used on any person undergoing a physical assessment.
Operator Profi le
The 3M™ Littmann® Electronic Stethoscope Model 3200 is designed to be used by anyone who wishes to listen to sounds
as described in the Intended Use section above. This manual provides complete information on how to operate the Model
3200 so that no additional operating training is required.
Functional Description
The 3M™ Littmann® Electronic Stethoscope Model 3200 picks up sounds, such as heart and lung sounds, from a patient’s
body. After amplifi cation and fi ltering, the sounds are sent to the user through a binaural headset. The stethoscope chestpiece
is designed for use with adult, pediatric, and infant patients.
The user interface for the stethoscope includes a 5-button keypad and an LCD display. Sound processing is carried out
with the aid of a digital signal processor. Stethoscope power is provided by a single AA battery in the chestpiece. A power
management system is included to prolong battery life. Using its Bluetooth wireless link, the stethoscope can exchange audio
data with an external device such as a personal computer (PC).
Explanation of Signal Word Consequences
CAUTION: Indicates a hazardous situation, which, if not avoided, could result in minor injury and/or property
damage.
NOTICE: Indicates a hazardous situation, which, if not avoided, may result in property damage.
CAUTION
• To reduce the risks associated with infection follow all cleaning and disinfecting instructions included in this
manual. Establish and follow a cleaning and disinfecting schedule.
• To reduce the risks associated with very strong electromagnetic fi elds avoid using the stethoscope near
strong radio frequency signals or portable and/or mobile RF devices. If you hear sudden or unexpected sounds,
move away from any radio transmitting antennas.
• To reduce the risks associated with sharp edges make sure that the soft sealing eartips are snapped fi rmly
into position as shown in this manual. Use only Littmann replaceable eartips.
• To reduce the risks associated with an incorrect result store and operate this stethoscope only as instructed
in this manual. As there is no acoustic (non-amplifi ed) mode available with this stethoscope, replace the battery
within two hours of the battery life icon beginning to fl ash in the LCD display. Replace battery with only type AA.
Also, do not immerse the stethoscope in a liquid or subject it to any sterilization processes.
• To reduce the risk associated with an electrical shock do not use the stethoscope on patients without the
stethoscope’s diaphragm cover in place.
• The Model E3200 Electronic Stethoscope contains a Bluetooth Class 2 wireless data link. This radio
frequency data link operates at a frequency of 2.4 GHz using GFSK modulation and with a maximum transmit
power of 2.5 mW (0.00250 watts). The maximum radio frequency fi eld strength generated by the stethoscope
is below three volts per meter, a level that is considered safe to use with other medical devices. However, if
electromagnetic interference is encountered due to the Bluetooth wireless data link, immediately move the
stethoscope away from that device and/or turn the Bluetooth feature OFF.
NOTICE
• To reduce the risks associated with environmental contamination follow applicable regulations when
disposing of this stethoscope. Properly dispose of, or recycle, spent batteries.
• No modifi cation of this equipment is allowed. Use only authorized 3M service personnel to repair this
stethoscope. Read, understand, and follow all the safety information on the battery package.
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3. Adjust Headset for Comfort
To reduce spring tension in the headset, hold each eartube at the bend near the eartips and
gradually pull apart until fully extended (180 degrees).
To increase spring tension, grasp the headset with one hand where the metal eartubes
enter the plastic tubing, and squeeze until the plastic tubing on one eartube touches the other.
Repeat as necessary.
4. Turn On / Off
This stethoscope comes equipped with an advanced power management system.
• Manual Turn On: Depress and release power button. LCD display will activate, indicating stethoscope is on.
• Manual Turn Off: Depress and hold power button for two seconds. LCD display will shut off, indicating stethoscope
is off.
• Auto Off with Standby Feature: After manual turn-on, stethoscope will stay on during use, but switch to a power-
saving “standby” mode after 20 seconds of inactivity. LCD display will display the Littmann® logo during standby
mode. When stethoscope diaphragm or any button is pressed, LCD display settings will reappear and stethoscope
will be ready to use. After two hours of non-use, the stethoscope will leave standby mode and fully power off. You
may customize on-time and off-time to meet your own personal needs. See Custom Confi guration section below.
• LCD Display Backlight: Backlight options are available for use at low ambient light levels. By default, depressing
and releasing the power button at any time will illuminate the LCD display for 5 seconds.
Reduce Tension
Increase Tension
Serial Number
Each 3M™ Littmann® Electronic Stethoscope Model 3200 comes with a unique serial number on the chestpiece for easy
identifi cation. Please record your serial number in this manual for future reference: ____________________________
INSTRUCTIONS FOR USE
1. Insert Battery
Insert AA battery (provided in package) into Stethoscope.
1. Hold chestpiece in one hand while slightly twisting the battery cap
approximately 25º counter-clockwise. Remove battery cap.
2. Insert new battery with positive end out (plus sign will be visible in
the battery compartment).
3. Remount battery cap, twisting cap approximately 25º clockwise
until locked.
4. Make sure the two marks are aligned.
2. Position Headset
Eartips should point in a forward direction as you insert them into your ear canals. When ear tips are properly positioned,
diaphragm will face towards your body.
Your new 3M™ Littmann® Electronic Stethoscope Model 3200 is designed to give you
a very comfortable, acoustically sealed fi t. It comes with two sizes of eartips to assure a
perfect fi t. The large eartips are pre-installed. Smaller eartips are included in package.
Please choose the set that is most comfortable for you.
To remove eartips, pull eartips fi rmly away from eartube. To apply new eartips, push eartip fi rmly onto eartube to secure.
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_
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3. Adjust Headset for Comfort
To reduce spring tension in the headset, hold each eartube at the bend near the eartips and
gradually pull apart until fully extended (180 degrees).
To increase spring tension, grasp the headset with one hand where the metal eartubes
enter the plastic tubing, and squeeze until the plastic tubing on one eartube touches the other.
Repeat as necessary.
4. Turn On / Off
This stethoscope comes equipped with an advanced power management system.
• Manual Turn On: Depress and release power button. LCD display will activate, indicating stethoscope is on.
• Manual Turn Off: Depress and hold power button for two seconds. LCD display will shut off, indicating stethoscope
is off.
• Auto Off with Standby Feature: After manual turn-on, stethoscope will stay on during use, but switch to a power-
saving “standby” mode after 20 seconds of inactivity. LCD display will display the Littmann® logo during standby
mode. When stethoscope diaphragm or any button is pressed, LCD display settings will reappear and stethoscope
will be ready to use. After two hours of non-use, the stethoscope will leave standby mode and fully power off. You
may customize on-time and off-time to meet your own personal needs. See Custom Confi guration section below.
• LCD Display Backlight: Backlight options are available for use at low ambient light levels. By default, depressing
and releasing the power button at any time will illuminate the LCD display for 5 seconds.
Reduce Tension
Increase Tension
Serial Number
Each 3M™ Littmann® Electronic Stethoscope Model 3200 comes with a unique serial number on the chestpiece for easy
identifi cation. Please record your serial number in this manual for future reference: ____________________________
INSTRUCTIONS FOR USE
1. Insert Battery
Insert AA battery (provided in package) into Stethoscope.
1. Hold chestpiece in one hand while slightly twisting the battery cap
approximately 25º counter-clockwise. Remove battery cap.
2. Insert new battery with positive end out (plus sign will be visible in
the battery compartment).
3. Remount battery cap, twisting cap approximately 25º clockwise
until locked.
4. Make sure the two marks are aligned.
2. Position Headset
Eartips should point in a forward direction as you insert them into your ear canals. When ear tips are properly positioned,
diaphragm will face towards your body.
Your new 3M™ Littmann® Electronic Stethoscope Model 3200 is designed to give you
a very comfortable, acoustically sealed fi t. It comes with two sizes of eartips to assure a
perfect fi t. The large eartips are pre-installed. Smaller eartips are included in package.
Please choose the set that is most comfortable for you.
To remove eartips, pull eartips fi rmly away from eartube. To apply new eartips, push eartip fi rmly onto eartube to secure.
+
_
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7. Monitor Patient Heart Rate
The Model 3200 detects and displays an acoustic-based heart rate when presented with consistent heart sounds (heart rate
variation < 10%). It takes fi ve seconds to compute the initial heart rate and updates are provided every two seconds. The
heart rate will then be displayed for 10 seconds after removal of the chestpiece from the patient. Prior to the initial reading,
the display shows two dashes (--). For heart rates outside a range of 30-199 bpm, the display will also show two dashes (--).
The acoustic-based heart rate display functions best when the Model 3200 is placed near the apex of the patient’s heart and
can be monitored while using any fi lter mode and/or volume level. If the heart rate changes from consistent to inconsistent or
if there is excessive ambient noise, patient movement or lung sounds during auscultation, the heart rate display number will
display two dashes (--).
8. Monitor Battery Life
Battery life is indicated by an icon in the LCD display.
The Model 3200 comes with a AA Alkaline battery. Battery will provide approximately 50-60 hours of continuous use,
depending on the frequency of Bluetooth data transfers. In a typical clinical setting, this represents about three months of
use.
As the battery life depletes, the icon will change as follows:
The battery icon begins to blink when only a few hours of battery capacity remains.
CAUTION: When the battery is completely depleted the scope becomes inoperable. No sound will be transmitted without
a functioning battery.
IMPORTANT! NiMH (rechargeable) and Lithium batteries may also be used in the Model 3200. However, battery type must be
specifi ed to ensure a reliable battery life indication (see Custom Confi guration section below).
5. Select Filter
This electronic stethoscope allows the user to select between three different digital frequency fi lters to better emphasize the
specifi c patient sounds of interest.
• The Bellmode amplifi es sounds from 20 - 1000Hz, but emphasizes lower frequency sounds between 20 - 200Hz.
• The Diaphragm mode amplifi es sounds from 20 - 2000Hz, but emphasizes the sounds between 100 - 500Hz.
• The Extended Range mode amplifi es sounds from 20 - 2000Hz similar to the Diaphragm Mode, but provides more
low frequency response between 50 - 500Hz.
The default setting is the Diaphragm fi lter. Instructions for changing the default fi lter setting are given in the Custom
Confi guration section below.
To select fi lter: Depress and release fi lter button (as shown in diagram) until desired fi lter mode appears on the LCD display.
6. Adjust Sound Amplifi cation Level
The Model 3200 sound level can be amplifi ed in 8 increments up to 24X amplifi cation of a non-electronic (cardiology-level)
stethoscope. Level 1 is equal to a non-electronic stethoscope. Level 9 is equal to 24X amplifi cation of a non-electronic
stethoscope. The greater the amplifi cation, the more bars you will see.
A default start-up amplifi cation level can be set using the instructions provided in the Custom Confi guration section below.
The default setting is marked by the box on the vertical bar shown in the volume icon in the LCD display. The illustration
shows a default amplifi cation setting at Level 3.
• Increase Amplifi cation: Press ( + ) button until desired amplifi cation level is achieved
• Decrease Amplifi cation: Press ( - ) button until desired amplifi cation level is achieved
Bell
Mode
Icon
Diaphragm
Mode
Icon
Extended
Range Mode
Icon
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7. Monitor Patient Heart Rate
The Model 3200 detects and displays an acoustic-based heart rate when presented with consistent heart sounds (heart rate
variation < 10%). It takes fi ve seconds to compute the initial heart rate and updates are provided every two seconds. The
heart rate will then be displayed for 10 seconds after removal of the chestpiece from the patient. Prior to the initial reading,
the display shows two dashes (--). For heart rates outside a range of 30-199 bpm, the display will also show two dashes (--).
The acoustic-based heart rate display functions best when the Model 3200 is placed near the apex of the patient’s heart and
can be monitored while using any fi lter mode and/or volume level. If the heart rate changes from consistent to inconsistent or
if there is excessive ambient noise, patient movement or lung sounds during auscultation, the heart rate display number will
display two dashes (--).
8. Monitor Battery Life
Battery life is indicated by an icon in the LCD display.
The Model 3200 comes with a AA Alkaline battery. Battery will provide approximately 50-60 hours of continuous use,
depending on the frequency of Bluetooth data transfers. In a typical clinical setting, this represents about three months of
use.
As the battery life depletes, the icon will change as follows:
The battery icon begins to blink when only a few hours of battery capacity remains.
CAUTION: When the battery is completely depleted the scope becomes inoperable. No sound will be transmitted without
a functioning battery.
IMPORTANT! NiMH (rechargeable) and Lithium batteries may also be used in the Model 3200. However, battery type must be
specifi ed to ensure a reliable battery life indication (see Custom Confi guration section below).
5. Select Filter
This electronic stethoscope allows the user to select between three different digital frequency fi lters to better emphasize the
specifi c patient sounds of interest.
• The Bellmode amplifi es sounds from 20 - 1000Hz, but emphasizes lower frequency sounds between 20 - 200Hz.
• The Diaphragm mode amplifi es sounds from 20 - 2000Hz, but emphasizes the sounds between 100 - 500Hz.
• The Extended Range mode amplifi es sounds from 20 - 2000Hz similar to the Diaphragm Mode, but provides more
low frequency response between 50 - 500Hz.
The default setting is the Diaphragm fi lter. Instructions for changing the default fi lter setting are given in the Custom
Confi guration section below.
To select fi lter: Depress and release fi lter button (as shown in diagram) until desired fi lter mode appears on the LCD display.
6. Adjust Sound Amplifi cation Level
The Model 3200 sound level can be amplifi ed in 8 increments up to 24X amplifi cation of a non-electronic (cardiology-level)
stethoscope. Level 1 is equal to a non-electronic stethoscope. Level 9 is equal to 24X amplifi cation of a non-electronic
stethoscope. The greater the amplifi cation, the more bars you will see.
A default start-up amplifi cation level can be set using the instructions provided in the Custom Confi guration section below.
The default setting is marked by the box on the vertical bar shown in the volume icon in the LCD display. The illustration
shows a default amplifi cation setting at Level 3.
• Increase Amplifi cation: Press ( + ) button until desired amplifi cation level is achieved
• Decrease Amplifi cation: Press ( - ) button until desired amplifi cation level is achieved
Bell
Mode
Icon
Diaphragm
Mode
Icon
Extended
Range Mode
Icon
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To select the power setting: Select the POWER option in the SETUP menu. Use the (-) and (+) buttons to scroll through the
list of power settings. Press and release the (M) button to select a setting.
The power settings provide different degrees of power consumption. In general, the longer the stethoscope remains in
an active mode, the greater its power consumption. The factory default is the MEDIUM level. (NOTE: The Auto Off power
management feature is further described below).
To select the battery type: Select the BATTERY option in the Setup menu. Use the (-) and (+) buttons to scroll through the
list of battery types. The LITHIUM battery is a non-rechargeable cell especially recommended for low-temperature operation
of the stethoscope. The NIMH battery is rechargeable (external charger required). Press and release the (M) button to select a
setting. The factory default is the ALKALINE battery.
nimh
alkaline
lithium
SETUP
POWER
BATTERY
set vol
+
–
9. Custom Confi guration
The Model 3200 has several operational settings that can be changed using its confi guration menu system. Within this menu
system, the (+) and (-) buttons are used for scrolling and the (M) button is used for selecting options. The Filter button acts as
an escape key, used for returning to the previous menu or to the operating mode of the stethoscope.
To access the Main menu: Depress and release the (M) button. The Main menu will be displayed (NOTE: Only 3 options will
be visible at a time. All options can be viewed in sequence upon scrolling with either the (+) or (-) buttons):
To enter the Setup Menu: Use the (-) button to scroll down the list of Special Functions until SETUP is highlighted. Select the
SETUP option by pressing and releasing the (M) button. This will display the following menu:
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To select the power setting: Select the POWER option in the SETUP menu. Use the (-) and (+) buttons to scroll through the
list of power settings. Press and release the (M) button to select a setting.
The power settings provide different degrees of power consumption. In general, the longer the stethoscope remains in
an active mode, the greater its power consumption. The factory default is the MEDIUM level. (NOTE: The Auto Off power
management feature is further described below).
To select the battery type: Select the BATTERY option in the Setup menu. Use the (-) and (+) buttons to scroll through the
list of battery types. The LITHIUM battery is a non-rechargeable cell especially recommended for low-temperature operation
of the stethoscope. The NIMH battery is rechargeable (external charger required). Press and release the (M) button to select a
setting. The factory default is the ALKALINE battery.
nimh
alkaline
lithium
SETUP
POWER
BATTERY
set vol
+
–
9. Custom Confi guration
The Model 3200 has several operational settings that can be changed using its confi guration menu system. Within this menu
system, the (+) and (-) buttons are used for scrolling and the (M) button is used for selecting options. The Filter button acts as
an escape key, used for returning to the previous menu or to the operating mode of the stethoscope.
To access the Main menu: Depress and release the (M) button. The Main menu will be displayed (NOTE: Only 3 options will
be visible at a time. All options can be viewed in sequence upon scrolling with either the (+) or (-) buttons):
To enter the Setup Menu: Use the (-) button to scroll down the list of Special Functions until SETUP is highlighted. Select the
SETUP option by pressing and releasing the (M) button. This will display the following menu:
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To select auto off power management: Select the AUTO OFF option in the SETUP menu. Use the (-) and (+) buttons to scroll
through the list of options. Press and release the (M) button to select. The factory default is ENABLE.
Two different settings work together to infl uence the length of time the Model 3200 is on full power: The AUTO OFF setting
(ENABLE vs. DISABLE) and the POWER setting (HIGH, MEDIUM, and LOW - HIGH setting uses more battery power, LOW setting
uses less battery power). To increase battery life, ENABLE the AUTO OFF feature and select the LOW power setting.
When the AUTO OFF feature is enabled, the stethoscope will enter standby mode after a period of time determined by the
POWER setting if there is no contact detected on the diaphragm AND the buttons are not activated. When the AUTO OFF
feature is disabled, the stethoscope will enter standby mode after a period of time determined by the POWER setting from
the last button activation. In addition, when the AUTO OFF feature is disabled, there will be an audible alert 10 seconds prior
to entering standby mode. After entering standby mode, the Model 3200 will be powered on when contact is detected on the
diaphragm or by button activation. Otherwise, the Model 3200 will completely power off after the period of time determined
by the POWER setting (see below).
With AUTO OFF feature ENABLED:
SETUP Options Detail
POWER HIGH
Remains on full power for 30 seconds before entering standby
Remains in standby for 5 hours before powering off
Backlight remains lit for 5 seconds after pressing the power button
MEDIUM
Remains on full power for 20 seconds before entering standby
Remains in standby for 2 hours before powering off
Backlight remains lit for 5 seconds after pressing the power button
LOW
Remains on full power for 10 seconds before entering standby
Remains in standby for 30 minutes before powering off
Backlight remains lit for 3 seconds after pressing power button
To specify the preset (default) volume level: Select the SET VOL option in the SETUP menu. Press and release the (M)
button to select the current volume level as default. The factory default is level 3.
To specify the preset (default) fi lter setting: Select the SET FLTR option in the SETUP menu. Press and release the (M)
button to select the current fi lter as default. The factory default is the diaphragm fi lter.
To select the backlight setting: Select the BACKLITE option in the SETUP menu. Use the (-) and (+) buttons to scroll
through the list of options. Press and release the (M) button to select. The factory default is ALWAYS. The ALWAYS option will
illuminate the backlight at all times at a reduced level while the stethoscope is powered on and not in standby mode. The ON
DMND option will illuminate the backlight for fi ve seconds by depressing and releasing the power button. The DISABLE option
disables the backlight at all times and will conserve power.
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To select auto off power management: Select the AUTO OFF option in the SETUP menu. Use the (-) and (+) buttons to scroll
through the list of options. Press and release the (M) button to select. The factory default is ENABLE.
Two different settings work together to infl uence the length of time the Model 3200 is on full power: The AUTO OFF setting
(ENABLE vs. DISABLE) and the POWER setting (HIGH, MEDIUM, and LOW - HIGH setting uses more battery power, LOW setting
uses less battery power). To increase battery life, ENABLE the AUTO OFF feature and select the LOW power setting.
When the AUTO OFF feature is enabled, the stethoscope will enter standby mode after a period of time determined by the
POWER setting if there is no contact detected on the diaphragm AND the buttons are not activated. When the AUTO OFF
feature is disabled, the stethoscope will enter standby mode after a period of time determined by the POWER setting from
the last button activation. In addition, when the AUTO OFF feature is disabled, there will be an audible alert 10 seconds prior
to entering standby mode. After entering standby mode, the Model 3200 will be powered on when contact is detected on the
diaphragm or by button activation. Otherwise, the Model 3200 will completely power off after the period of time determined
by the POWER setting (see below).
With AUTO OFF feature ENABLED:
SETUP Options Detail
POWER HIGH
Remains on full power for 30 seconds before entering standby
Remains in standby for 5 hours before powering off
Backlight remains lit for 5 seconds after pressing the power button
MEDIUM
Remains on full power for 20 seconds before entering standby
Remains in standby for 2 hours before powering off
Backlight remains lit for 5 seconds after pressing the power button
LOW
Remains on full power for 10 seconds before entering standby
Remains in standby for 30 minutes before powering off
Backlight remains lit for 3 seconds after pressing power button
To specify the preset (default) volume level: Select the SET VOL option in the SETUP menu. Press and release the (M)
button to select the current volume level as default. The factory default is level 3.
To specify the preset (default) fi lter setting: Select the SET FLTR option in the SETUP menu. Press and release the (M)
button to select the current fi lter as default. The factory default is the diaphragm fi lter.
To select the backlight setting: Select the BACKLITE option in the SETUP menu. Use the (-) and (+) buttons to scroll
through the list of options. Press and release the (M) button to select. The factory default is ALWAYS. The ALWAYS option will
illuminate the backlight at all times at a reduced level while the stethoscope is powered on and not in standby mode. The ON
DMND option will illuminate the backlight for fi ve seconds by depressing and releasing the power button. The DISABLE option
disables the backlight at all times and will conserve power.
12
GB English
13
GB English
To specify Bluetooth mode: Select the BT COMM option in the SETUP menu. Use the (-) and (+) buttons to scroll through the
list of options. The MANUAL option means that the Bluetooth link can be used for data transfers but requires user activation.
The AUTO option means that the Bluetooth link is continuously powered and ready to connect to an external device which it
has been previously paired. Press and release the (M) button to select an option. The factory default is MANUAL.
To obtain model and software version information: Select the ID option in the SETUP menu. Use the (-) and (+) buttons to
scroll through the list of reference numbers. Press “M” to return to the operating mode of the stethoscope.
To leave the Main menu: Press the Filter button or press the (M) button to select the EXIT option. This will return the
stethoscope to its normal operating state.
10. Using the Bluetooth Interface
The Bluetooth interface provides a means of exchanging audio data with external devices such as a Bluetooth-enabled PC.
Audio data can be sent in near real time, permitting their visual presentation, recording, and analysis by applications software
complying with communication protocols used by the Model 3200.
IMPORTANT! The Model 3200 uses a Class 2 Bluetooth link, with a maximum range of 10m. The Bluetooth range will be
reduced when objects (walls, furniture, people, etc) are in-between the Model 3200 and the external device. To improve
Bluetooth communication, reduce the distance and/or allow a line of sight between the Model 3200 and the external device.
With AUTO OFF feature DISABLED:
SETUP Options Detail
POWER HIGH
Remains on full power for 7 minutes before entering standby
Remains in standby for 5 hours before powering off
Backlight remains lit for 5 seconds after pressing power button
MEDIUM
Remains on full power for 5 minutes before entering standby
Remains in standby for 2 hours before powering off
Backlight remains lit 5 seconds after pressing power button
LOW
Remains on full power for 3 minutes before entering standby
Remains in standby for 30 minutes before powering off
Backlight remains lit 3 seconds after pressing power button
To select the number of fi lter modes: Select the FILTERS option in the SETUP menu. Use the (-) and (+) buttons to scroll
through the list of options. With option “2”, the FILTER button cycles between two fi lters modes (bell and diaphragm). With
option “3”, the FILTER button cycles through three fi lter modes (bell, diaphragm, and extended range). Press and release the
(M) button to select. The factory default is “3” fi lters.
SETUP
Id
exit
power
12
GB English
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GB English
To specify Bluetooth mode: Select the BT COMM option in the SETUP menu. Use the (-) and (+) buttons to scroll through the
list of options. The MANUAL option means that the Bluetooth link can be used for data transfers but requires user activation.
The AUTO option means that the Bluetooth link is continuously powered and ready to connect to an external device which it
has been previously paired. Press and release the (M) button to select an option. The factory default is MANUAL.
To obtain model and software version information: Select the ID option in the SETUP menu. Use the (-) and (+) buttons to
scroll through the list of reference numbers. Press “M” to return to the operating mode of the stethoscope.
To leave the Main menu: Press the Filter button or press the (M) button to select the EXIT option. This will return the
stethoscope to its normal operating state.
10. Using the Bluetooth Interface
The Bluetooth interface provides a means of exchanging audio data with external devices such as a Bluetooth-enabled PC.
Audio data can be sent in near real time, permitting their visual presentation, recording, and analysis by applications software
complying with communication protocols used by the Model 3200.
IMPORTANT! The Model 3200 uses a Class 2 Bluetooth link, with a maximum range of 10m. The Bluetooth range will be
reduced when objects (walls, furniture, people, etc) are in-between the Model 3200 and the external device. To improve
Bluetooth communication, reduce the distance and/or allow a line of sight between the Model 3200 and the external device.
With AUTO OFF feature DISABLED:
SETUP Options Detail
POWER HIGH
Remains on full power for 7 minutes before entering standby
Remains in standby for 5 hours before powering off
Backlight remains lit for 5 seconds after pressing power button
MEDIUM
Remains on full power for 5 minutes before entering standby
Remains in standby for 2 hours before powering off
Backlight remains lit 5 seconds after pressing power button
LOW
Remains on full power for 3 minutes before entering standby
Remains in standby for 30 minutes before powering off
Backlight remains lit 3 seconds after pressing power button
To select the number of fi lter modes: Select the FILTERS option in the SETUP menu. Use the (-) and (+) buttons to scroll
through the list of options. With option “2”, the FILTER button cycles between two fi lters modes (bell and diaphragm). With
option “3”, the FILTER button cycles through three fi lter modes (bell, diaphragm, and extended range). Press and release the
(M) button to select. The factory default is “3” fi lters.
SETUP
Id
exit
power
14
GB English
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GB English
How to transfer real-time data to an external device:
1. Ensure the Model 3200 is paired with the external device.
2. Depress and release the (M) button. Select the CONNECT option by again pressing and releasing the (M) button. The LCD
screen will signal that the Bluetooth link is active. The stethoscope will automatically return to operational status. Consult
application software for details on initiating real-time transfer, the process may vary by computer platform utilized.
When connected by a Bluetooth link, external Bluetooth-enabled devices may take control of the display and keypad of the
Model 3200 stethoscope. The external device may also transfer audio playback or other information through the Model 3200
headset. When the external device transfers audio playback back to the stethoscope, the sounds will be preceded by a beep.
A Bluetooth connection with the stethoscope will automatically be ended if no data transfers occur in a 90 second period.
Alternatively, the connection can be manually ended using the DISCONN (disconnect) option of the Main menu. If you are
listening to the Model 3200 electronic stethoscope using its Bluetooth feature and you exceed the maximum communication
range of approximately 10 meters, you may hear a rapid series of beeps. Should this occur, shorten the physical distance
between your Model 3200 and the Bluetooth equipped device.
In order to transfer data between two Bluetooth devices, they must fi rst be “paired” electronically. Pairing is a discovery and
authentication process that allows your Bluetooth equipped Model 3200 to communicate with another Bluetooth equipped
device and establishes the link between these two devices as a trusted pair. The pairing process requires user operations to
be performed on both the Model 3200 and the external device. While the Model 3200 can remember trusted pairing with up
to eight different Bluetooth devices, it will only communicate with one paired device at a time. In addition, you cannot pair a
Model 3200 with a second Model 3200.
How to pair the Model 3200 with an external device:
1. Initiate pairing process: On the Model 3200, depress and release the (M) button. The MAIN menu will be displayed.
Use the (-) button to scroll down to the PAIR option. Select this option by pressing and releasing the (M) button. The LCD
screen will signal that pairing is in progress with the following animated display:
During the pairing process the Model 3200 will make itself discoverable to other Bluetooth equipped devices.
Note: The Personal Identifi cation Number (PIN) for Bluetooth pairing is displayed in the lower left-hand corner of the LCD
screen
2. Select Model 3200 on external Bluetooth device: Follow the pairing instructions found with your Bluetooth equipped
device. In general, you will need to make sure that the Bluetooth mode is enabled on the device, and once the Model
3200 has indicated the external device has been found, you may need to confi rm the connection on the external
device. Please remember that the distance between the Model 3200 and the Bluetooth device is limited to no more
than 10 meters. If pairing is successful, the LCD display of the Model 3200 will show a fl ashing Bluetooth icon and
the stethoscope will be ready for wireless operations. Once the Model 3200 is connected to the external device, the
Bluetooth icon will stop fl ashing and be displayed continuously.
If the Bluetooth connection with the external device is subsequently lost or times out, the Bluetooth icon will disappear from
the LCD display.
Bluetooth ico
n
__
14
GB English
15
GB English
How to transfer real-time data to an external device:
1. Ensure the Model 3200 is paired with the external device.
2. Depress and release the (M) button. Select the CONNECT option by again pressing and releasing the (M) button. The LCD
screen will signal that the Bluetooth link is active. The stethoscope will automatically return to operational status. Consult
application software for details on initiating real-time transfer, the process may vary by computer platform utilized.
When connected by a Bluetooth link, external Bluetooth-enabled devices may take control of the display and keypad of the
Model 3200 stethoscope. The external device may also transfer audio playback or other information through the Model 3200
headset. When the external device transfers audio playback back to the stethoscope, the sounds will be preceded by a beep.
A Bluetooth connection with the stethoscope will automatically be ended if no data transfers occur in a 90 second period.
Alternatively, the connection can be manually ended using the DISCONN (disconnect) option of the Main menu. If you are
listening to the Model 3200 electronic stethoscope using its Bluetooth feature and you exceed the maximum communication
range of approximately 10 meters, you may hear a rapid series of beeps. Should this occur, shorten the physical distance
between your Model 3200 and the Bluetooth equipped device.
In order to transfer data between two Bluetooth devices, they must fi rst be “paired” electronically. Pairing is a discovery and
authentication process that allows your Bluetooth equipped Model 3200 to communicate with another Bluetooth equipped
device and establishes the link between these two devices as a trusted pair. The pairing process requires user operations to
be performed on both the Model 3200 and the external device. While the Model 3200 can remember trusted pairing with up
to eight different Bluetooth devices, it will only communicate with one paired device at a time. In addition, you cannot pair a
Model 3200 with a second Model 3200.
How to pair the Model 3200 with an external device:
1. Initiate pairing process: On the Model 3200, depress and release the (M) button. The MAIN menu will be displayed.
Use the (-) button to scroll down to the PAIR option. Select this option by pressing and releasing the (M) button. The LCD
screen will signal that pairing is in progress with the following animated display:
During the pairing process the Model 3200 will make itself discoverable to other Bluetooth equipped devices.
Note: The Personal Identifi cation Number (PIN) for Bluetooth pairing is displayed in the lower left-hand corner of the LCD
screen
2. Select Model 3200 on external Bluetooth device: Follow the pairing instructions found with your Bluetooth equipped
device. In general, you will need to make sure that the Bluetooth mode is enabled on the device, and once the Model
3200 has indicated the external device has been found, you may need to confi rm the connection on the external
device. Please remember that the distance between the Model 3200 and the Bluetooth device is limited to no more
than 10 meters. If pairing is successful, the LCD display of the Model 3200 will show a fl ashing Bluetooth icon and
the stethoscope will be ready for wireless operations. Once the Model 3200 is connected to the external device, the
Bluetooth icon will stop fl ashing and be displayed continuously.
If the Bluetooth connection with the external device is subsequently lost or times out, the Bluetooth icon will disappear from
the LCD display.
Bluetooth ico
n
__
16
GB English
17
GB English
Uploading a sound track to an external device:
1. Prepare the external device to receive the sound fi le. Start the software program on the external device. Consult
application software for details.
2. Initiate a Bluetooth connection with the Model 3200. Use the same procedure as described above for initiating real-
time data transfers to an external device.
3. Return to operating mode: When transmission of the sound track is complete, the Bluetooth link to the external device
can be disconnected and the Model 3200 will return to its previous operating mode.
12. Other Operating Considerations
Operating range is -22º to 104ºF (-30º to 40ºC), 15 to 93% relative humidity.
Storage and transport range is -40º to 131ºF (-40º to 55ºC), 15 to 93% relative humidity.
To extend the life of your stethoscope, avoid extreme heat, cold, solvents and oils. Remove the battery whenever the
stethoscope will not be used for several months.
If you plan to use the stethoscope below 0ºF (-18ºC) you should use a lithium battery to insure proper function.
Failure to follow care and maintenance recommendations could result in damage to the internal components of the 3M™
Littmann® Electronic Stethoscope Model 3200. Internal damage could cause malfunction of the product, ranging from a
slight decrease in auditory response to complete failure of the product.
If you experience any problems with the electronic stethoscope, do not attempt to repair it yourself. Please notify our 3M
Health Care Service Center for directions on shipping and receiving.
13. U.S.A. Only
Caution: Federal law restricts this device to sale by or on the order of a physician.
14. MAINTENANCE & WARRANTY
Cleaning
Cleaning of stethoscope should be done between each patient use.
Cleaning the Chestpiece
Under normal conditions, it is unnecessary to remove the diaphragm for cleaning. The diaphragm can easily be cleaned by
using an alcohol wipe. If however, it is necessary to remove the diaphragm, carefully follow the instructions below:
• Diaphragm Removal: With diaphragm side up, using a thumbnail, lift the underside portion of the diaphragm out of
its designated groove, and peel it off of the chestpiece. The groove that holds the diaphragm in place can be cleaned
by sliding the edge of an alcohol swab around the groove. All parts of the chestpiece can be wiped down with
alcohol. IMPORTANT: The stethoscope should not be immersed in any solution. Excess liquid used in the cleaning
process may result in moisture getting into the internal components.
• Diaphragm Reassembly: Once the diaphragm is completely dry, insert the diaphragm into the groove of the rim,
starting at one point, and run your fi nger around the diaphragm until it is seated back in the groove.
11. Using Onboard Recording
Onboard recording provides a means to acquire and play an auscultation sound track for a maximum of 29 seconds. This
track can be uploaded to an external device using the Bluetooth link and the software accompanying the Model 3200.
How to record a sound track:
1. Enter the recording mode: Depress and release the (M) button. The MAIN menu will be displayed. Use the (-) button to
scroll to the RECORD option.
2. Begin the recording: Depress and release the (M) button. The stethoscope will start recording and the LCD screen will
show a “recording” icon.
3. End the recording: Depress and release the (M) button. The stethoscope will stop recording and the recording icon will
disappear from the LCD display. If the time between the beginning and ending of the recording session is greater than 29
seconds, only the last 29 seconds will be saved.
How to play back a sound track:
1. Enter the playback mode: Depress and release the (M) button. The MAIN menu will be displayed. Use the (-) button to
scroll to the PLAY option. Select this option by pressing and releasing the (M) button. The LCD screen will show a “play”
icon and the sound track will loop continuously.
2. End playback: Depress and release the (M) button. The stethoscope will stop playing the sound track and will return to
its previous operational mode.
16
GB English
17
GB English
Uploading a sound track to an external device:
1. Prepare the external device to receive the sound fi le. Start the software program on the external device. Consult
application software for details.
2. Initiate a Bluetooth connection with the Model 3200. Use the same procedure as described above for initiating real-
time data transfers to an external device.
3. Return to operating mode: When transmission of the sound track is complete, the Bluetooth link to the external device
can be disconnected and the Model 3200 will return to its previous operating mode.
12. Other Operating Considerations
Operating range is -22º to 104ºF (-30º to 40ºC), 15 to 93% relative humidity.
Storage and transport range is -40º to 131ºF (-40º to 55ºC), 15 to 93% relative humidity.
To extend the life of your stethoscope, avoid extreme heat, cold, solvents and oils. Remove the battery whenever the
stethoscope will not be used for several months.
If you plan to use the stethoscope below 0ºF (-18ºC) you should use a lithium battery to insure proper function.
Failure to follow care and maintenance recommendations could result in damage to the internal components of the 3M™
Littmann® Electronic Stethoscope Model 3200. Internal damage could cause malfunction of the product, ranging from a
slight decrease in auditory response to complete failure of the product.
If you experience any problems with the electronic stethoscope, do not attempt to repair it yourself. Please notify our 3M
Health Care Service Center for directions on shipping and receiving.
13. U.S.A. Only
Caution: Federal law restricts this device to sale by or on the order of a physician.
14. MAINTENANCE & WARRANTY
Cleaning
Cleaning of stethoscope should be done between each patient use.
Cleaning the Chestpiece
Under normal conditions, it is unnecessary to remove the diaphragm for cleaning. The diaphragm can easily be cleaned by
using an alcohol wipe. If however, it is necessary to remove the diaphragm, carefully follow the instructions below:
• Diaphragm Removal: With diaphragm side up, using a thumbnail, lift the underside portion of the diaphragm out of
its designated groove, and peel it off of the chestpiece. The groove that holds the diaphragm in place can be cleaned
by sliding the edge of an alcohol swab around the groove. All parts of the chestpiece can be wiped down with
alcohol. IMPORTANT: The stethoscope should not be immersed in any solution. Excess liquid used in the cleaning
process may result in moisture getting into the internal components.
• Diaphragm Reassembly: Once the diaphragm is completely dry, insert the diaphragm into the groove of the rim,
starting at one point, and run your fi nger around the diaphragm until it is seated back in the groove.
11. Using Onboard Recording
Onboard recording provides a means to acquire and play an auscultation sound track for a maximum of 29 seconds. This
track can be uploaded to an external device using the Bluetooth link and the software accompanying the Model 3200.
How to record a sound track:
1. Enter the recording mode: Depress and release the (M) button. The MAIN menu will be displayed. Use the (-) button to
scroll to the RECORD option.
2. Begin the recording: Depress and release the (M) button. The stethoscope will start recording and the LCD screen will
show a “recording” icon.
3. End the recording: Depress and release the (M) button. The stethoscope will stop recording and the recording icon will
disappear from the LCD display. If the time between the beginning and ending of the recording session is greater than 29
seconds, only the last 29 seconds will be saved.
How to play back a sound track:
1. Enter the playback mode: Depress and release the (M) button. The MAIN menu will be displayed. Use the (-) button to
scroll to the PLAY option. Select this option by pressing and releasing the (M) button. The LCD screen will show a “play”
icon and the sound track will loop continuously.
2. End playback: Depress and release the (M) button. The stethoscope will stop playing the sound track and will return to
its previous operational mode.
18
GB English
19
GB English
APPENDIX
Declaration – Electromagnetic Emissions
The 3M™ Littmann® Electronic Stethoscope Model 3200, is intended for use in the electromagnetic environment
specifi ed below. The customer or the user of the Model 3200 should assure that it is used in such an environment.
Emissions test Compliance Electromagnetic environment –guidance
RF emissions CISPR 11 Group 2 Model 3200 must emit electromagnetic energy
in order to perform its intended function. Nearby
electronic equipment may be affected.
RF emissions CISPR 11 Class B Model 3200 is suitable for use in all
establishments, including domestic establishments
and those directly connected to the public
low-voltage power supply network that supplies
buildings used for domestic purposes.
Harmonic emissions IEC 61000-3-2 Not applicable
Voltage fl uctuations/fl icker emissions
IEC 61000-3-3
Not applicable
Cleaning Other Parts of the Stethoscope
Eartips, eartubes, plastic tubing and chestpiece can be wiped clean with alcohol. Eartips may be removed for a more
thorough cleaning.
NOTICE : Do not immerse the stethoscope in any liquid or subject it to any sterilization process!
Service & Warranty Program
Your 3M™ Littmann® Electronic Stethoscope Model 3200 comes with the fi nest service and warranty policy in the industry.
The 3M™ Littmann® Electronic Stethoscope Model 3200 is warranted against any defects in material and manufacture for
a period of two years. If a material or manufacturing defect is discovered during the warranty period, repairs will be made
without charge upon the return of the instrument to 3M, except in cases of obvious abuse or accidental damage.
For Maintenance or Repair Services
Please include your name, physical address, e-mail address, and phone number inside with your stethoscope.
In the U.S.A., send your stethoscope directly to:
3M Health Care Service Center
3M Bldg 502-1W-01
3350 Granada Ave N
Suite 200
Oakdale, MN 55128
1-800-292-6298
In Canada, send your stethoscope directly to:
3M Health Care Service Centre
3M Canada, Inc.
80 Enterprise Drive South
London, Ontario
Canada, N6N1C2
1-800-563-2921
Outside of the U.S.A. and Canada, contact your local 3M offi ce for maintenance and repair information.
18
GB English
19
GB English
APPENDIX
Declaration – Electromagnetic Emissions
The 3M™ Littmann® Electronic Stethoscope Model 3200, is intended for use in the electromagnetic environment
specifi ed below. The customer or the user of the Model 3200 should assure that it is used in such an environment.
Emissions test Compliance Electromagnetic environment –guidance
RF emissions CISPR 11 Group 2 Model 3200 must emit electromagnetic energy
in order to perform its intended function. Nearby
electronic equipment may be affected.
RF emissions CISPR 11 Class B Model 3200 is suitable for use in all
establishments, including domestic establishments
and those directly connected to the public
low-voltage power supply network that supplies
buildings used for domestic purposes.
Harmonic emissions IEC 61000-3-2 Not applicable
Voltage fl uctuations/fl icker emissions
IEC 61000-3-3
Not applicable
Cleaning Other Parts of the Stethoscope
Eartips, eartubes, plastic tubing and chestpiece can be wiped clean with alcohol. Eartips may be removed for a more
thorough cleaning.
NOTICE : Do not immerse the stethoscope in any liquid or subject it to any sterilization process!
Service & Warranty Program
Your 3M™ Littmann® Electronic Stethoscope Model 3200 comes with the fi nest service and warranty policy in the industry.
The 3M™ Littmann® Electronic Stethoscope Model 3200 is warranted against any defects in material and manufacture for
a period of two years. If a material or manufacturing defect is discovered during the warranty period, repairs will be made
without charge upon the return of the instrument to 3M, except in cases of obvious abuse or accidental damage.
For Maintenance or Repair Services
Please include your name, physical address, e-mail address, and phone number inside with your stethoscope.
In the U.S.A., send your stethoscope directly to:
3M Health Care Service Center
3M Bldg 502-1W-01
3350 Granada Ave N
Suite 200
Oakdale, MN 55128
1-800-292-6298
In Canada, send your stethoscope directly to:
3M Health Care Service Centre
3M Canada, Inc.
80 Enterprise Drive South
London, Ontario
Canada, N6N1C2
1-800-563-2921
Outside of the U.S.A. and Canada, contact your local 3M offi ce for maintenance and repair information.
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